2-Pack XL Premium Quality Kombucha Covers | Keep Fruit Flies and Bugs Out of Your Kombucha! | for 5 Gallon Jars or Smaller

These work great for covering Kombucha.

This is exactly what I needed for my 2 gallon kombucha jar. The quality of the material is sturdy and strong. It also has a tight weave so my brew stays protected. I'd buy it again!